Effect of Zn on thermoelectric power in superconducting Bi2Sr2Ca xZn1- x Cu2O8+ y compounds

Ragimov S. S., Askerzade İ., Agaeva G.

Low Temperature Physics, vol.47, no.2, pp.106-109, 2021 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 47 Issue: 2
  • Publication Date: 2021
  • Doi Number: 10.1063/10.0003169
  • Journal Name: Low Temperature Physics
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Communication Abstracts, Compendex, INSPEC
  • Page Numbers: pp.106-109
  • Keywords: electronic band structure, thermoelectric power, two-band model
  • Ankara University Affiliated: Yes

Abstract

© 2021 Author(s).For the first time, studies of the temperature dependences of the thermoelectric power for various compositions of Bi2Sr2CaxZn1-xCu2O8+y (x = 1; 0.8; 0.4) in the range 77-320 K have been carried out. The obtained experimental results are analyzed within the framework of the Xin's two-band model. The concentration of holes per copper atom and the band gap of the semiconductor type Bi-O layers are determined. It is shown that the replacement of the calcium element with zinc in these proportions does not lead to a change in the electronic band structure of Bi2Sr2CaCu2O8+y.